Government agencies excavating a site in the far southeastern Beijing suburbs say they have found ancient city walls and more than 1,000 tombs, most of which are dated to the eastern Han Dynasty (25-220 AD) and some even earlier.

As more killer whales move into the Arctic, research presented at a scientific conference in Winnipeg this week suggests polar bears are beginning to take advantage of the beached remains of an orca's favourite food - bowhead whales.

Facing its worst winter pollution in 10 years, Paris is sticking to controversial traffic measures. Paris city hall has barred half of all cars from travelling and made public transportation free for a third consecutive day.

Biologists say the giraffe, the tallest land animal, is now at risk of extinction. The giraffe population has shrunk nearly 40 per cent in just 30 years. Scientists have put it on the official watch list of threatened and endangered species worldwide, calling it 'vulnerable.' 2

Your next landlord might comb through your social media history before handing over the keys thanks to a Canadian company injecting big data and artificial intelligence into the age-old process of renting a place to live.